Tap drill bits set 6 pcs

Set of 6 long threading drill bits, metric from M3 to M10-Designed for drilling and threading soft metals, aluminium sheet, plastics, copper, steel, wood, etc.-Combination drill bits for metal. Drilling and threading with one tool.-Drill bits made of HSS high speed steel.-Bit-type hex shank, 1/4 ' (6.35mm) for screwdrivers. IMPORTANT: Recommended to run the combination drill bits at slow speed, advisable to use coolant while working. Set includes:-M3 x 0.5mm - 64mm-M4 x 0,7mm - 64mm-M5 x 0.8mm - 67mm-M6 x 1,0mm - 67mm-M8 x 1,25mm - 70mm-M10 x 1,5mm - 70mm HIGH PERFORMANCE DRILLSThe tapping drills are made of tough and resistant HSS steel. Thanks to this solution, we can drill into materials such as soft metals, aluminium sheet, plastic, copper, steel, wood, etc. without any worries. STRUCTURE1.Blade - is sharpened and reinforced so that it pierces into hard materials without any problem.2.Internal threading edge3.Shank - a common 1/4' hexagonal shank used as the core of the drill to place it in the drill bit4.Outer threaded edge